US5592824A - Driving control device for air conditioner - Google Patents

Driving control device for air conditioner Download PDF

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Publication number
US5592824A
US5592824A US08/360,846 US36084695A US5592824A US 5592824 A US5592824 A US 5592824A US 36084695 A US36084695 A US 36084695A US 5592824 A US5592824 A US 5592824A
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United States
Prior art keywords
address
air conditioning
setting
indoor
range
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US08/360,846
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English (en)
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Masaharu Sogabe
Hisashi Sumida
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Daikin Industries Ltd
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Daikin Industries Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • F24F11/523—Indication arrangements, e.g. displays for displaying temperature data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1902—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value
    • G05D23/1905—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value associated with tele control

Definitions

  • This invention relates to a driving control device for an air conditioner, in particular, relates to measures for address setting.
  • a plurality of indoor units are connected to a remote control and connected to an integral controllar, in which driving signals and temperature setting signals are transmitted and received between the indoor units and the remote control and driving signals are transmitted and received between each of the indoor units and the integral controller, thereby controlling air conditioning.
  • respective indoor addresses are previously set to the respective indoor units so that control signals are transmitted and received between each of the indoor units and the integral controller based on the respective indoor addresses.
  • the indoor address of the indoor unit is set by a DIP switch, a remote control or the like.
  • a communication error is generated.
  • the integral controller automatically stores the indoor address at the power-on and establishes communication with the indoor unit based on the stored indoor address.
  • the indoor address for communication is lost, thereby generating a communication error.
  • the power of the integral controller must be reset.
  • An object of this invention is to prevent an improper setting of address and have the ability of responding to an address change thereby preventing a communication error.
  • a measure taken in this invention is so designed that an integral controller outputs a signal showing a range of address settings. Further, another measure taken in this invention is so designed that the integral controller cancels a set address. Furthermore, yet another measure taken in this invention is so designed that the range of address settings in the integral controller is changeable.
  • a measure taken in claim 1 of this invention premises a driving control device for an air conditioner in which an integral controller (5B) is connected to a plurality of air conditioning units (3, 3, . . . ) so that control signals are transmitted and received between each of the air conditioning units (3, 3, . . . ) and the integral controller (5B).
  • an integral controller (5B) is connected to a plurality of air conditioning units (3, 3, . . . ) so that control signals are transmitted and received between each of the air conditioning units (3, 3, . . . ) and the integral controller (5B).
  • the integral controller (5B) is provided with: setting range specifying means (52) for specifying a range of address settings within which an address can be set to each of the air conditioning units (3, 3, . . . ) managed by the integral controller (5B); and signal transmitting means (53) for outputting a signal showing the range of address settings to each of the air conditioning units (3, 3, . . . ) based on the range of address settings which has been specified by the setting range specifying means (52).
  • each of the air conditioning units (3, 3, . . . ) is provided with setting allowing means (32) for outputting a signal allowing an address setting when receiving the signal showing the range of address settings which has been outputted from the signal transmitting means (53) of the integral controller (5B).
  • address setting means (4) having: indicating means (4b) for indicating the range of address settings when receiving the signal allowing an address setting which has been outputted from the setting allowing means (32) of the air conditioning unit (3, 3, . . . ); and input means (4c) from which an address of the air conditioning unit (3, 3, . . . ) is inputted based on the indication of the indicating means (4b).
  • each of the air conditioning units (3, 3, . . . ) is provided with address storing means (38) for storing a set address inputted from the input means (4c) of the address setting means (4).
  • each of the air conditioning units (3, 3, . . . ) is provided with signal transmitting means (70) for outputting an address signal of the set address inputted from the input means (4c) of the address setting means (4).
  • the integral controller (5B) is provided with address storing means (60) for storing each address in each of the air conditioning units (3, 3, . . . ) when receiving the address signal outputted from the signal transmitting means (70) of each of the air conditioning units (3, 3, . . . )
  • each of the air conditioning units (3, 3, . . . ) is provided with error judging means (34) for judging whether a communication error is generated between the air conditioning unit (3) and the integral controller (5B) or not based on the signal showing the range of address settings when receiving the signal outputted from the signal transmitting means (53) of the integral controller (5B).
  • a measure taken in claim 5 of this invention premises a driving control device for an air conditioner in which an integral controller (5B) is connected to a plurality of air conditioning units (3, 3, . . . ) and each of the air conditioning units (3, 3, . . . ) is connected to address setting means (4) for setting an address of the air conditioning unit (3) so that control signals are transmitted and received between each of the air conditioning units (3, 3, . . . ) and the integral controller (5B) based on the address set by the address setting means (4).
  • an integral controller (5B) is connected to a plurality of air conditioning units (3, 3, . . . ) and each of the air conditioning units (3, 3, . . . ) is connected to address setting means (4) for setting an address of the air conditioning unit (3) so that control signals are transmitted and received between each of the air conditioning units (3, 3, . . . ) and the integral controller (5B) based on the address set by the address setting means (4).
  • each of the air conditioning units (3, 3, . . . ) is provided with data output means (35) for, when the set address is changed by the address setting means (4), outputting changed data together with the changed address.
  • the integral controller (5B) is provided with address canceling means (54) for, when receiving the changed data outputted from the data output means (35) of the air conditioning unit (3, 3, . . . ), canceling an address registered therein with respect to the air conditioning unit (3, 3, . . . ) having the changed address and storing the changed address.
  • a measure taken in claim 6 of this invention premises a driving control device for an air conditioner in which an integral controller (5B) is connected to a plurality of air conditioning units (3, 3, . . . ) so that control signals are transmitted and received between each of the air conditioning units (3, 3, . . . ) and the integral controller (5B).
  • an integral controller (5B) is connected to a plurality of air conditioning units (3, 3, . . . ) so that control signals are transmitted and received between each of the air conditioning units (3, 3, . . . ) and the integral controller (5B).
  • the integral controller (5B) is provided with: setting range specifying means (52) for specifying a range of address settings within which an address can be set to each of the air conditioning units (3, 3, . . . ) managed by the integral controller (5B); and signal transmitting means (53) for outputting a signal showing the range of address settings to each of the air conditioning units (3, 3, . . . ) based on the range of address settings which has been specified by the setting range specifying means (52).
  • each of the air conditioning units (3, 3, . . . ) is provided with setting allowing means (32) for outputting a signal allowing an address setting when receiving the signal showing the range of address settings which has been outputted from the signal transmitting means (53) of the integral controller (5B).
  • address setting means (4) having: indicating means (4b) for indicating the range of address settings when receiving the signal allowing an address setting which has been outputted from the setting allowing means (32) of the air conditioning unit (3, 3, . . . ); and input means (4c) from which an address of the air conditioning unit (3, 3, . . . ) is inputted based on the indication of the indicating means (4b).
  • each of the air conditioning units (3, 3, . . . ) is provided with signal transmitting means (70) for outputting an address signal of the set address inputted from the input means (4c) of the address setting means (4).
  • the integral controller (5B) is provided with address deleting means (80) for deleting the set address from the range of address settings in the setting range specifying means (52) when receiving the address signal outputted from the signal transmitting means (70) of each of the air conditioning units (3, 3, . . . ).
  • each of the air conditioning units (3, 3, . . . ) is provided with address storing means (33) for storing the set address inputted from the input means (4c) of the address setting means (4).
  • the integral controller (5B) is provided with address storing means (60) for storing each address in each of the air conditioning units (3, 3, . . . ) when receiving the address signal outputted from the signal transmitting means (70) of each of the air conditioning units (3, 3, . . . )
  • each of the air conditioning units (3, 3, . . . ) is provided with address changing means (82) for, when the set address is canceled by the address setting means (4), outputting canceling data together with the canceled address.
  • the integral controller (5B) is provided with address adding means (81) for adding the canceled address to the range of address settings when receiving the canceling data outputted from the address changing means (82) of the air conditioning unit (3, 3, . . . ).
  • the address setting means (4) is provided with an address canceling button (4e) with which a canceling signal for canceling an address is inputted.
  • the address setting means (4) is composed of a remote control.
  • the input means (4c) of the address setting means (4) is composed of an input button provided in a remote control.
  • the indicating means (4b) of the address setting means (4) is composed so as to indicate the range of address settings by turning on an address setting button (4d) provided in the address setting means (4).
  • the setting range specifying means (52) of the integral controller (5B) specifies a range of address settings according to the number of air conditioning units (3, 3, . . . ) manageable by the integral controller (5B), for example, it specifies a range of address settings from address #0 to address #15. Then, the signal transmitting means (53) of the integral controller (5B) transmits a signal showing the range of address settings to each of the air conditioning units (3, 3, . . . ), based on the range of address settings which has been specified by the setting range specifying means (52).
  • the setting allowing means (32) of each of the air conditioning units (3, 3, . . . ) outputs a signal allowing an address setting when receiving the signal showing the range of address settings from the integral controller (5B).
  • the indicating means (4b) indicates the range of address settings and an address included within the indicated range is inputted from the input means (4c).
  • the indicating means (4b) indicates the range of address settings by turning on the address setting button (4d) of the remote control (4). At the sight of the indicated range of address settings, an operator or the like inputs an address from the input button (4c).
  • the air conditioning unit (3, 3, . . . ) receives the address inputted from the address setting means (4) and then the address storing means (33) stores the address.
  • the signal transmitting means (70) of the air conditioning unit (3, 3, . . . ) outputs an address signal of the set address inputted from the input means (4c) of the address setting means (4).
  • the address storing means (60) of the integral controller (5B) stores each address in each of the air conditioning units (3, 3, . . . ) when receiving the address signal from each of the air conditioning units (3, 3, . . . ). Thereafter, based on each of the set addresses, communication is established between each of the air conditioning units (3, 3, . . . ) and the integral controller (5B).
  • the error judging means (34) of each of the air conditioning units (3, 3, . . . ) receives the signal showing the range of address settings which has been transmitted from the signal transmitting means (53) of the integral controller (5B)
  • the error judging means (34) judges whether a communication error is generated between the integral controller (5B) and the air conditioning unit (3, 3, . . . ).
  • the signal showing a range of address settings doubles as a signal for judging a communication error.
  • the data output means (35) outputs, to the integral controller (5B), changed data indicating the change of address together with the changed address.
  • the address canceling means (54) of the integral controller (5B) receives the changed data on address from the air conditioning unit (3, 3, . . . ), it cancels the existing address of the air conditioning unit (3) according to the changed data, stores the changed new address and registers it.
  • the signal transmitting means (33) of the air conditioning unit (3, 3, . . . ) transmits an address signal of the set address to the integral controller (5B).
  • the address deleting means (80) of the integral controller (5B) deletes the set address from the range of address settings in the setting range specifying means (52).
  • address #0 when address #0 is set to one air conditioning unit (3), the address #0 is deleted from the range of address settings in the setting range specifying means (52) of the integral controller (5B), the data on the range of address settings from which the address #0 is deleted is transmitted to the address setting means (4), and then the range of address settings is indicated on the indicating means (4b).
  • the address storing means (33) of the air conditioning unit (3, 3, . . . ) stores the address inputted from the address setting means (4)
  • the address storing means (60) of the integral controller (5B) stores each address in each of the air conditioning units (3, 3, . . . ) when receiving the address signal from each of the air conditioning units (3, 3, . . . ).
  • the address adding means (81) of the integral controller (5B) managing the air conditioning unit (3) an address of which has been canceled adds the canceled address to the range of address settings in the setting range specifying means (52).
  • addresses of the air conditioning units (3, 3, . . . ) managed by the integral controller (5B) can be securely set. This facilitates address settings and prevents improper address settings.
  • the integral controller (5B) automatically stores addresses, workability at the installation of the air conditioning units (3, 3, . . . ) or other times can be enhanced.
  • the driving control device of claim 4 since a signal showing a range of address settings which has been transmitted from the integral controller (5B) is used as a signal for detecting a communication error, the communication error can be also detected without increase of communication information. This simplifies communication information while enhancing communication accuracy.
  • the integral controller (5B) when an address of the air conditioning unit (3, 3, . . . ) is changed, the integral controller (5B) changes the existing address to a new address and registers the new address. This securely prevents a communication error after the change of address, thereby securely enhancing communication accuracy.
  • FIG. 1 is a block diagram showing the structure of a driving control device for an air conditioner according to claims 1 to 4 of this invention.
  • FIG. 2 is a block diagram showing the structure of another driving control device for an air conditioner according to claim 5 of this invention.
  • FIG. 3 is a block diagram showing the structure of yet another driving control device for an air conditioner according to claims 6 to 9 of this invention.
  • FIG. 4 is a diagram showing a whole system of an air conditioner.
  • FIG. 5 is a diagram showing a whole system of another air conditioner.
  • FIG. 6 is a block diagram showing a control system of a main part of the air conditioner.
  • FIG. 7 is a control flow chart of an indoor unit at the setting of an indoor address.
  • FIG. 8 is a control flow chart of an indoor unit at the setting of an indoor address.
  • FIG. 9 is a control flow chart of an indoor unit at the changing of an indoor address.
  • FIG. 10 is a control flow chart of an ON-OFF controller at the changing of an indoor address.
  • FIG. 11 is a block diagram showing a control system of a main part of another air conditioner.
  • FIG. 12 is a control flow chart at the setting and changing of an indoor address.
  • FIG. 4 is a diagram showing a whole system construction of an air conditioner (1A).
  • the air conditioner (1A) includes a plurality of refrigerant systems (11) each so composed that a single outdoor unit (2) is connected via refrigerant piping to a plurality of indoor units (3, 3, . . . ) as air conditioning units.
  • the outdoor unit (2) is connected to the indoor units (3, 3, . . . ) via signal lines (13) so that control signals such as a driving signal are transmitted and received between the outdoor unit (2) and each of the indoor units (3, 3, . . . ).
  • each of the indoor units (3, 3, . . . ) is connected to a remote control (4) via a signal line (14).
  • Each remote control (4) is connected to each of the indoor units (3, 3, . . . ) or one remote control (4) is connected to a plurality of indoor units (3, 3, . . . ), so that a remote control group (12) composed of one or more indoor units (3, 3, . . . ) to be controlled by one remote control (4) is formed in every one remote control (4).
  • all the indoor control units (3, 3, . . . ) are connected via a signal line (15) to an integral managing controller (5A) and an ON-OFF controller (5B) each of which is an integral controller.
  • the integral managing controller (5A) is composed so as to have the ability of controlling and managing drive and deactivation of the indoor units (3, 3, . . . ), temperature settings and so on.
  • the ON-OFF controller (5B) is composed so as to have only the ability of controlling and managing drive and deactivation of the indoor units (3, 3, . . . ).
  • FIG.5 is a diagram showing a whole system construction of another air conditioner (1B).
  • the air conditioner (1B) unlike the air conditioner (1A) of FIG. 4, only a single refrigerant system (11) is provided, is connected to a single ON-OFF controller (5B) as an integral controller and has a system construction different from the air conditioner (1A) of FIG. 4 based on the differences of the number of indoor units (3, 3, . . . ) and a managing manner.
  • FIG. 6 shows a control block diagram for both the air conditioners (1A, 1B).
  • the indoor unit (3, 3, . . . ) has a CPU (31).
  • the CPU (31) is connected via transmission parts (3a, 3b, 3c) to the remote control (4), the ON-OFF controller (5B) and the outdoor unit (2), and is connected to various kinds of actuators (3d) such as an indoor fan to control the volume of air of the fan and so on.
  • the remote control (4) has a CPU (41).
  • the CPU (41) is connected to the indoor unit (3, 3, . . . ) via a transmission part (4a) and is connected to an indicating part (4b), an input button (4c) and an address setting button (4d).
  • the indicating part (4b) is composed so as to indicate by lamps or LCDs a driving state, a room temperature, a set temperature and so on of one or more indoor units (3, 3, . . . ) managed by one remote control (4).
  • the input button (4c) is so composed that signals such as a driving signal and a temperature setting signal are inputted therefrom.
  • the address setting button (4d) is an operating button for setting an indoor address of the indoor unit (3, 3, . . . ). By turning the address setting button (4d) on, the indoor address of the indoor unit (3, 3, . . . ) can be set.
  • the ON-OFF controller (5B) has a CPU (51).
  • the CPU (51) is connected to the plural indoor units (3, 3, . . . ) via a transmission part (5a) and is connected to an indicating part (5b) and an input button (5c).
  • the indicating part (5b) is composed so as to indicate by lamps driving states of the indoor units (3, 3, . . . ) managed by the ON-OFF controller (5B).
  • the input button (5c) is so composed that a driving signal and a deactivating signal are inputted therefrom.
  • FIG. 6 only a single ON-OFF controller (5B) as an integral controller is shown.
  • the integral managing controller (5A) and other ON-OFF controllers (5B) are connected to the indoor units (3, 3, . . . ).
  • the integral managing controller (5A) of FIG. 4 has the same configuration as the ON-OFF controller (5B).
  • the indicating part (5b) is composed so as to indicate by lamps or LCDs a driving state, a room temperature, a set temperature and so on of one or more indoor units (3, 3, . . . ) managed by the integral managing controller (5A), and the input button (5c) is so composed that signals such as a driving signal and a temperature setting signal can be inputted.
  • each CPU (51) of the integral managing controller (5A) and the ON-OFF controller (5B) is provided with indoor address setting range specifying means (52) and signal transmitting means (53) for each establishing communication between each of the indoor units (3, 3, . . . ) and the integral managing controller (5A) and between each of the indoor units (3, 3, . . . ) and the ON-OFF controller (5B), and is provided with address storing means (60).
  • the CPU (31) of the indoor unit (3, 3, . . . ) is provided with setting allowing means (32), address storing means (33), error judging means (34) and signal transmitting means (70).
  • the setting range specifying means (52) is composed so as to specify a range of address settings which corresponds to the number of indoor units (3, 3, . . . ) manageable by each of the integral managing controller (5A) and the ON-OFF controller (5B) and which can be set to the indoor units (3, 3 . . . ).
  • the integral managing controller (5B) of FIG. 4 is composed so as to be manageable with respect to 64 indoor units (3, 3, . . . ) at the maximum.
  • the setting range specifying means (52) of the integral managing controller (5A) is composed so as to specify a range of address settings of indoor address #0 to indoor address #63.
  • each of the ON-OFF controllers (5B) is composed so as to be manageable with respect to 16 indoor units (3, 3, . . . ) at the maximum.
  • the setting range specifying means (52) of one ON-OFF controller (5B) of FIG. 4 is composed so as to specify a range of address settings of indoor address #0 to indoor address #15
  • respective setting range specifying means (52) of the other three ON-OFF controllers (5B) are composed so as to specify respective ranges of address settings of indoor address #16 to indoor address #31, indoor address #32 to indoor address #47, and indoor address #48 to indoor address #63.
  • the setting range specifying means (52) is composed so as to specify a range of address settings of indoor address #0 to indoor address #15.
  • the signal transmitting means (53) is composed so as to output a signal showing a range of address settings based on the range of address settings which has been specified by the setting range specifying means (52).
  • field D0 and field D1 in a transmitting signal are each composed of 8 bits and each specified so as to indicate a range of address settings. Since the signal transmitting means (53) of the integral managing controller (5A) can manage 64 indoor units (3, 3, . . . ), the signal transmitting means (53) sets the bits "0" to "3" of the field D0 and transmits them every one minute. The signal transmitting means (53) of the ON-OFF controller (5B) which manages indoor address #0 to indoor address #15 sets the bit "0" of the field D0 and transmits it every one minute.
  • the signal transmitting means (53) of the ON-OFF controller (5B) which manages indoor address #16 to indoor address #31 sets the bit "1" of the field D0 and transmits it every one minute.
  • the signal transmitting means (53) of the ON-OFF controller (5B) which manages indoor address #32 to indoor address #47 sets the bit "2" of the field D0 and transmits it every one minute.
  • the signal transmitting means (53) of the ON-OFF controller (5B) which manages indoor address #48 to indoor address #63 sets the bit "3" of the field D0 and transmits it every one minute.
  • the address storing means (60) is composed, when indoor addresses are set to the respective indoor units (3, 3, . . . ) and address signals indicative of the indoor addresses are transmitted from the respective indoor units (3, 3, . . . ), so as to store the respective indoor addresses.
  • the setting allowing means (32) of the indoor unit (3, 3, . . . ) is composed, when receiving a signal showing a range of address settings which has been outputted from each of the signal transmitting means (53) of the integral managing controller (5A) and the ON-OFF controller (5B), so as to output a signal allowing an address setting to the remote control (4).
  • the address storing means (33) is composed so as to store an indoor address set by an input from the remote control (4).
  • the signal transmitting means (70) is composed so as to transmit an address signal of an indoor address stored by the address storing means (33) to the integral managing controller (5A) and the ON-OFF controller (5B). For example, the signal transmitting means (70) transmits an address signal to the integral managing controller (5A) and the ON-OFF controller (5B) at power-on of the integral managing controller (5A) and the ON-OFF controller (5B), and then the respective address storing means (60) of the integral managing controller (5A) and the ON-OFF controller (5B) store the indoor address to register it.
  • the error judging means (34) is composed, when receiving a signal showing a range of address settings which has been outputted from either of the signal transmitting means (53) of the integral managing controller (5A) and the ON-OFF controller (5B), so as to judge, based on the signal showing a range of address settings, whether a communication error is generated between the indoor unit (3) and the integral managing controller (5A) or the ON-OFF controller (5B).
  • the error judging means (34) of the indoor unit (3, 3, . . . ) an indoor address of which is set to #0 is composed so as to capture a signal showing a range of address settings of indoor address #0 to indoor address #15 from the ON-OFF controller (5B), and judge as being normal when the bit "0" of the field D0 is set or judge as being a communication error when that bit is reset. That is, the signal showing a range of address settings is doubled as a signal for detecting a communication error.
  • the indicating part (4b) of the remote control (4) forms indicating means for indicating a range of address settings by turning the address setting button (4d) on when receiving a signal allowing an address setting from the indoor unit (3, 3, . . . ).
  • the input button (4c) forms input means from which an operator or the like inputs an indoor address of the indoor unit (3, 3, . . . ) based on the indication of the indicating part (4d). That is, only indoor addresses within the indication of the indicating part (4d) are set by the input button (4c).
  • the remote control (4) forms address setting means.
  • the integral managing controller (5A) is composed so as to have the ability of controlling 64 indoor units (3, 3, . . . ).
  • the ON-OFF controller (5B) is composed so as to have the ability of controlling 16 indoor units (3, 3, . . . ). Respective ranges of address settings of indoor addresses are specified with respect to the respective controllers (5A, 5B).
  • an indoor address of the indoor unit (3, 3, . . . ) is set by the remote control (4), for example, when indoor address #63 is set to one indoor unit (3, 3, . . . ) of the air conditioner (1A) of FIG. 4, since the integral managing controller (5A) and the ON-OFF controller (5B) which manage the indoor unit (3, 3, . . . ) of the indoor address #63 are present normal communication can be established.
  • indoor address #63 is set to one indoor unit (3, 3, . . . ) of the air conditioner (1B) of FIG. 5 in the same manner as that of FIG. 4, since the ON-OFF controller (5B) which manages the indoor unit (3, 3, . . . ) of the indoor address #63 is not present, normal communication cannot be established thereby generating a communication error.
  • a range of address settings is specified with respect to the setting range specifying means (52) in accordance with the number of indoor units (3, 3, . . . ) managed by the integral managing controller (5A) and the ON-OFF controller (5B).
  • the setting range specifying means (52) of the integral managing controller (5A) specifies a range of address settings of indoor address #0 to indoor address #63.
  • the setting range specifying means (52) of one ON-OFF controller (5B) specifies a range of address settings of indoor address #0 to indoor address #15.
  • the setting range specifying means (52) thereof specifies a range of address settings of indoor address #0 to indoor address #15.
  • Both the signal transmitting means (53) of the integral managing controller (5A) and the ON-OFF controller (5B) each transmit a signal showing a range of address settings to each of the indoor units (3, 3, . . . ) based on Table 1.
  • each of the indoor units (3, 3, . . . ) outputs a signal allowing an address setting when receiving the signals each showing a range of address settings from the integral managing controller (5A) and the ON-OFF controller (5B).
  • a step ST1 is whether settings of address #0 to address #15 are possible or not. The judgment is made depending on whether the bit "0" of the field D0 in Table 1 is set or not.
  • the routine proceeds from the step ST1 to a step ST2.
  • the setting allowing means (32) outputs to the remote control (4) a signal allowing an address setting of indoor address #0 to indoor address #15.
  • the judgment at the step ST1 is NO so that the routine proceeds to a step ST3.
  • the setting allowing means (32) does not output a signal allowing an address setting in order to prohibit an address setting of indoor address #0 to indoor address #15.
  • a signal allowing an address setting is outputted or not to the remote control (4) based on each of the bits "0" to "7" of the fields D0 and D1 in Table 1 as in the step ST1 to the step ST3.
  • each of the air conditioners (1A, 1B) is composed so as to have the ability of controlling 256 indoor units (3, 3, . . . ) at the maximum , each of the indoor units (3, 3, . . . ) judges whether or not to output a signal allowing an address within a range of address settings of indoor address #0 to #255.
  • the remote control (4) When the remote control (4) receives from the indoor unit (3, 3, . . . ) a signal allowing an address setting and then the address setting button (4d) is turned on with the signal allowing an address setting received, a range of address settings is indicated on the indicating part (4b). At the sight of this indication, an operator or the like operates the input button (4c) to input an indoor address within the range of address settings.
  • the address storing means (33) stores the indoor address
  • the signal transmitting means (70) transmits an address signal of the set indoor address to the integral managing controller (5A) and the ON-OFF controller (5B).
  • the address storing means (60) of each of the integral managing controller (5A) and the ON-OFF controller (5B) stores and registers the indoor address of the indoor unit (3, 3, . . . ) managed by each of the integral managing controller (5A) and the ON-OFF controller (5B). Thereafter, based on the indoor address, the integral managing controller (5A) and the ON-OFF controller (5B) each establish communication with the indoor unit (3, 3, . . . ).
  • each of the integral managing controller (5A) and the ON-OFF controller (5B) transmits to each of the indoor units (3, 3, . . . ) a signal showing a range of address settings which is control information shown in Table 1, for example, every one minute
  • the error judging means (34) of each of the indoor units (3, 3, . . . ) receives the signal showing a range of address settings to judge whether a communication error is generated between the indoor unit (3) and the integral managing controller (5A) or the ON-OFF controller (5B).
  • the error judging means (34) of the indoor unit (3, 3, . . . ) in which its indoor address is set to #0 captures from the ON-OFF controller (5B) a signal showing a range of address settings of indoor address #0 to indoor address #15, and judges as being normal when the bit "0" of the field D0 is set or judges as being a communication error when the bit "0" of the field D0 is reset.
  • indoor addresses of the indoor units (3, 3, . . . ) managed by the integral managing controller (5A) and the ON-OFF controller (5B) can be securely set. This facilitates address settings and prevents improper settings of indoor addresses.
  • the integral managing controller (5A) and the ON-OFF controller (5B) automatically store the indoor addresses, this increases workability at the installation of the indoor unit (3, 3, . . . ) and other times.
  • each signal showing a range of address settings which has been transmitted from the integral managing controller (5A) and the ON-OFF controller (5B) is used as a signal for detecting a communication error, the communication error can be also detected without increase of communication information. This simplifies communication information while enhancing communication accuracy.
  • FIG. 9 and FIG. 10 each show a control flow chart showing an embodiment according to claim 5 of this invention.
  • indoor units (3, 3, . . . ) are each provided with data output means (35), while an integral managing controller (5A) and an ON-OFF controller (5B) which are integral controllers are each provided with address canceling means (54).
  • 5A integral managing controller
  • ON-OFF controller ON-OFF controller
  • the data output means (35) is composed, as mentioned above, when an indoor address is set to an indoor unit (3) and thereafter the set indoor address is changed by a remote control (4), so as to output changed data together with the changed indoor address.
  • the address canceling means (54) is composed, when receiving the changed data outputted from the data output means (35) of the indoor unit (3), so as to cancel from address storing means (60) a registered address of the indoor unit (3) which has been changed and to store the changed new indoor address in the address storing means (60).
  • the data output means (35) of the indoor unit (3) transmits to the ON-OFF controller (5B) changed data together with the indoor address #8, and then the ON-OFF controller (5B) cancels the prior indoor address #5 and stores and registers the new indoor address #8.
  • FIG. 9 shows a control flow chart in the indoor unit (3).
  • judged at a step ST51 is whether an indoor address is set or not. Until the indoor address is set, the routine returns. When an indoor address has been set, the judgment at the step ST51 is YES so that the routine proceeds to a step ST52. At this step, judged is whether the indoor address is changed or not.
  • the routine When the indoor address is not changed, the routine immediately returns.
  • the indoor address is changed by the remote control (4), that is, when the address setting button (4d) is operated and a new indoor address is set by the input button (4c)
  • the judgment at the step ST52 is YES so that the routine proceeds to a step ST53.
  • the data output means (35) outputs to the ON-OFF controller (5B) changed data showing that the indoor address has been changed, together with the changed indoor address. Then, the routine returns.
  • FIG. 10 shows a control flow chart in the ON-OFF controller (5B).
  • the ON-OFF controller (5B) receives the changed data on the indoor address from the indoor unit (3), the judgment at the step ST61 is YES so that the routine proceeds to a step ST62.
  • the address canceling means (54) cancels the existing indoor address according to the changed data, and stores and registers the new indoor address in the address storing means (60). Then, the routine returns.
  • integral managing controller (5A) may be provided with address canceling means (54).
  • the ON-OFF controller (5B) when an address of the indoor unit (3, 3, . . . ) is changed, the ON-OFF controller (5B) changes the existing indoor address to a new indoor address and registers the new address. This securely prevents a communication error after the change of address, thereby securely enhancing communication accuracy.
  • FIG. 11 shows a block diagram for control in an embodiment according to claims 6-9 of this invention.
  • each of an integral managing controller (5A) and an ON-OFF controller (5B) cancels from a range of address settings an indoor address set to an indoor unit (3, 3, . . . ).
  • a remote control (4) is provided, in addition to the structure of the first embodiment shown in FIG. 6, with address canceling button (4e) as a feature of this invention.
  • a CPU (51) of the ON-OFF controller (5B) is provided with setting range specifying means (52), signal transmitting means (53) and address storing means (60).
  • the CPU (51) is provided with address deleting means (80) and address adding means (81).
  • a CPU (31) of the indoor unit (3, 3, . . . ) is provided with setting allowing means (32), address storing means (33), error judging means (34) and signal transmitting means (70).
  • the CPU (51) is provided with address changing means (82).
  • the address canceling button (4e) is so composed that a canceling signal is inputted thereto. After the address canceling button (4e) is turned on, an indoor address to be canceled is inputted from the input button (4c).
  • the address changing means (82) is composed, when an indoor address set to the indoor unit (3) is canceled by the remote control (4), so as to output canceling data showing that the indoor address has been canceled, together with the canceled address.
  • the address deleting means (80) is composed, when receiving an address signal outputted from the signal transmitting means (70) of each indoor unit (3, 3, . . . ), so as to delete an indoor address having been set from a range of address setting in the setting range specifying means (52).
  • a range of address settings in the setting range specifying means (52) of the ON-OFF controller (5B) is changed into indoor addresses #1 to #15.
  • the range of address settings is transmitted to the remote controls (4) via the indoor units (3, 3, . . . ) and is indicated on the indicating parts (4b).
  • the address adding means (81) is composed, when receiving remote control (4), so as to output canceling data showing that the indoor address has been canceled, together with the canceled address.
  • the address deleting means (80) is composed, when receiving an address signal outputted from the signal transmitting means (70) of each indoor unit (3, 3, . . . ), so as to delete an indoor address having been set from a range of address setting in the setting range specifying means (52). Further, since the changed indoor address #1 is deleted from the setting range specifying means (52) by the address deleting means (80), the range of address settings in the setting range specifying means (52) is changed into indoor address #0 and indoor addresses #2 to #15. This range of address settings is transmitted to the remote controllers (4) via the indoor units (3, 3, . . . ) and is indicated on the indicating parts (4b). the canceling data which has been outputted from the address changing means (82) of the indoor unit (3, 3, . . . ), so as to add the canceled indoor address to a range of address settings in the setting range specifying means (52).
  • the routine proceeds from the step ST71 to a step ST72.
  • judged is whether the address setting button (4d) is turned on or not.
  • the routine proceeds from the step ST72 to a step ST73 so that a range of address settings is indicated on the indicating part (4b) of the remote control (4).
  • a range of address settings which has been specified by the setting range specifying means (52) of each of the integral managing controller (5A) and the ON-OFF controller (5B) is transmitted to the remote controls (4) via the indoor units (3, 3, . . . ). Then, each of the remote controls (4) indicates the range of address settings.
  • the routine proceeds from the step ST73 to a step ST74, in which an indoor address is inputted from the input button (4c) of the remote control (4). Then, the routine proceeds to a step ST75. At this step, the address storing means (33) of each of the indoor units (3, 3, . . . ) stores the set indoor address. Next, the routine proceeds to a step ST76, in which the signal transmitting means (33) of each of the indoor units (3, 3, . . . ) transmits an address signal of the set indoor address to the integral managing controller (5A) and the ON-OFF controller (5B).
  • the routine proceeds to a step ST77.
  • the address deleting means (80) of each of the integral managing controller (5A) and the ON-OFF controller (5B) deletes the set indoor address from the range of address settings in the setting range specifying means (52). Then, the routine returns.
  • a canceling signal is first inputted from the address canceling button (4e) of the remote control (4). Accordingly, the judgment at the step ST71 for judging whether the canceling signal is inputted becomes YES so that the routine proceeds to a step ST78.
  • the indoor routine proceeds to a step ST78.
  • the indoor unit (3) an indoor address of which should be canceled, the indoor address inputted from the input button (4c) of the remote control (4) is canceled from the data storing means (33). Then, the routine proceeds to a step ST79, in which the address changing means (82) of the indoor unit (3) transmits the canceled indoor address to the integral managing controller (5A) and the ON-OFF controller (5B).
  • the routine proceeds from the step ST79 to a step ST80.
  • the address adding means (81) which is included in each of the integral managing controller (5A) and the ON-OFF controller (5B) each managing the indoor unit (3) having the canceled indoor address, adds the canceled indoor address to the range of address settings in the setting range specifying means (52).
  • an indoor address of one indoor unit (3) is changed from #0 to #1, the indoor address #0 is added to a range of address settings in the setting range specifying means (52) of the ON-OFF controller (5B) while the indoor address #1 is deleted from the range of address settings.
  • the range of address settings in the setting range specifying means (52) is changed into indoor address #0 and indoor addresses #2 to #15, and this range of address settings is indicated on the indicating parts (4b) of the indoor units (3, 3, . . . ).
  • the indoor address thus set is deleted from a range of address settings in the setting range specifying means (52) of each of the integral managing controller (5A) and the ON-OFF controller (5B), thereby obviating duplicate settings of indoor address.
  • a communication error can be securely prevented thereby enhancing communication accuracy.
  • the canceled indoor address is added to a range of address settings in the setting range specifying means (52) of each of the integral managing controller (5A) and the ON-OFF controller (5B). This enables accurate recognition of indoor addresses which can be set, thereby facilitating indoor address settings.
  • address setting means is a remote control (4).
  • the address setting means is not limited to the remote control (4) and exclusive address setting means for address setting may be provided.
  • the integral managing communication error can be securely prevented thereby enhancing communication accuracy.
  • an indoor address may be canceled at the step ST71 and the step ST78 shown in FIG. 12 when the address setting button (4d) is turned on with the indoor address set.
  • an indoor address can be set as mentioned above.
  • a driving control device of an air conditioner of this invention can control a plurality of indoor units with the use of an integral controller, it is suitable for address setting in the case that a plurality of indoor units are provided in a large-scale building or the like.

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AU6689594A (en) 1994-11-21
EP0647820A1 (en) 1995-04-12
WO1994025803A1 (en) 1994-11-10
JP3364925B2 (ja) 2003-01-08
AU671544B2 (en) 1996-08-29
CN1050659C (zh) 2000-03-22
DE69422573D1 (de) 2000-02-17
DE69422573T2 (de) 2000-08-17
CN1110484A (zh) 1995-10-18
ES2141230T3 (es) 2000-03-16
SG69967A1 (en) 2000-01-25
TW258782B (zh) 1995-10-01
EP0647820B1 (en) 2000-01-12
EP0647820A4 (en) 1996-04-10

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